Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1991-11-01
1993-06-29
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
281722, 28190, 2642108, 26421112, 2642356, 2642905, D02H 700, D02J 122
Patent
active
052231976
ABSTRACT:
A process of making mixed filament yarns, involving drawing, especially cold-drawing, or hot-drawing, or other heat-treatments, of spin-oriented crystalline polyester filaments, and particularly polyester feed yarns, that have been prepared by spinning at speeds of, e.g., 4 km/min, and have low shrinkage and no natural draw ratio in the conventional sense, that provides useful technique for obtaining uniform filaments of desired denier and thereby provides improved flexibility to obtain filaments and yarns mixed with nylon filaments.
REFERENCES:
patent: 4025595 (1977-05-01), Mirhej
Translation of French reference 2,404,066 (published Apr. 20, 1979).
Boles Raymond L.
Knox Benjamin H.
Noe James B.
E. I. Du Pont de Nemours and Company
Tentoni Leo B.
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